第 1 题
1 分Large-scale deforestation in tropical areas is a major concern for ecologists. What is the primary biological consequence of this activity according to the syllabus?
Oxford AQA IGCSE · CORE Biology (9221)
人類活動對生態系與生物多樣性的影響：练习题
4 道选择题即时批改，另有 3 道文字题附完整解题步骤，全部围绕「人類活動對生態系與生物多樣性的影響」。
7 道题目20 分免费，无需注册
第 2 题
1 分Which statement best explains why large-scale deforestation in tropical areas leads to a significant reduction in biodiversity?
第 3 题
1 分In a lake ecosystem, an excess of nitrate ions from fertilisers leads to a rapid growth of algae on the surface. How does this specifically lead to the death of fish in the lake?
第 4 题
1 分Large-scale deforestation in tropical regions has several significant environmental impacts. Which of the following is a direct consequence of deforestation according to the syllabus?
第 5 题
5 分Large-scale deforestation in tropical regions is a significant human interaction with ecosystems. Explain exactly how this process leads to a reduction in biodiversity and name one specific impact it has on the Earth's atmosphere.
先自己写一遍答案，再对照解题步骤。
第 6 题
6 分Explain how eutrophication, caused by the run-off of fertilisers into a lake, leads to the death of aerobic organisms such as fish.
先自己写一遍答案，再对照解题步骤。
第 7 题
5 分Explain why global warming, attributed to increasing levels of carbon dioxide and methane in the atmosphere, may lead to the extinction of certain species, referring to changes in migration and geographical distribution.
先自己写一遍答案，再对照解题步骤。
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